Home / 86,320,650,596.28-128,848,729,573.86-76,130,523,184.36

Finding the Fourth Proportional to 86,320,650,596.28, 128,848,729,573.86 and 76,130,523,184.36

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Solution

The fourth proportional to 86,320,650,596.28, 128,848,729,573.86 and 76,130,523,184.36 is: 113,638,174,948.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,320,650,596.28 : 128,848,729,573.86 = 76,130,523,184.36 : x
  2. Step 2: Convert to fraction form
    86,320,650,596.28/128,848,729,573.86 = 76,130,523,184.36/x
  3. Step 3: Cross multiply
    86,320,650,596.28x = 128,848,729,573.86 × 76,130,523,184.36
  4. Step 4: Simplify right side
    86,320,650,596.28x = 9,809,321,194,098,081,660,928
  5. Step 5: Solve for x
    x = 9,809,321,194,098,081,660,928/86,320,650,596.28
  6. Step 6: Final answer
    x = 113,638,174,948.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.